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Finding the Fourth Proportional to 1,175.01, 1,763.08 and 550.04

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Solution

The fourth proportional to 1,175.01, 1,763.08 and 550.04 is: 825.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.01 : 1,763.08 = 550.04 : x
  2. Step 2: Convert to fraction form
    1,175.01/1,763.08 = 550.04/x
  3. Step 3: Cross multiply
    1,175.01x = 1,763.08 × 550.04
  4. Step 4: Simplify right side
    1,175.01x = 969,767.34
  5. Step 5: Solve for x
    x = 969,767.34/1,175.01
  6. Step 6: Final answer
    x = 825.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.